TY - BOOK AU - Gupta Anurag B AU - Dr. C S G K Setty Gu. AU - University of Delhi. Faculty of Science. Department of Physics and Astrophysics ED - University of Delhi. Faculty of Science. Department of Physics and Astrophysics TI - Atmospheric gravity waves and their effects on the F/sub2 region of the ionosphere PY - 1971/// KW - PHYSICS ER -